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SFO to REP: distance & flight time
San Francisco (San Francisco International Airport) → Siem-reap (Siem Reap International Airport)
7,812 mi
12,573 km · 6,789 nm
15h 47m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SFO→REP fares Phone-only fares on this route — call free
Flight time details
7,812 miles nonstop takes roughly 15h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, United States
- REP — Siem Reap International Airport · Siem-reap, Cambodia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is SFO from REP?
The flight distance from San Francisco (SFO) to Siem-reap (REP) is 7,812 miles (12,573 km, 6,789 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to REP?
A nonstop flight takes about 15h 47m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Francisco and Siem-reap?
Siem-reap is 14 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–REP that never appear on search engines, with no booking fees.